Home / 132,369.84-198,443.04-57,433.56

Finding the Fourth Proportional to 132,369.84, 198,443.04 and 57,433.56

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Solution

The fourth proportional to 132,369.84, 198,443.04 and 57,433.56 is: 86,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,369.84 : 198,443.04 = 57,433.56 : x
  2. Step 2: Convert to fraction form
    132,369.84/198,443.04 = 57,433.56/x
  3. Step 3: Cross multiply
    132,369.84x = 198,443.04 × 57,433.56
  4. Step 4: Simplify right side
    132,369.84x = 11,397,290,244.42
  5. Step 5: Solve for x
    x = 11,397,290,244.42/132,369.84
  6. Step 6: Final answer
    x = 86,101.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.